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A. L. EoeAEE 0E NEW YORK, N. Y., AssIeNoE To n.' o. Bo'eART AND' J'. P. KENNEDY, 0E SAME' PLACE.V

Letters Patent Nb.v 71,269, dated November 26, 1867..

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TO ALL WHOM IT MAY CONGERN':

Be itl known that` I, A. L. lBOGARL'ol the city, county, and State of New York, `have invented.certain Improvements in Gas-Stoves; and I do hereby declare that the following is a full and exact description thereof,- which will enable others skilled in the art to construct and use the same, reference being hadto the accompanying drawings, forming part of this specification, in which I have represented a vertical section of my improved stove through its centre. l l, y This invention relates te that class of stoves in which iniiammable gas is used as fuelefor the purpose of heating apartments, and which, not being provided with' stove-pipe or lue, discharge in the said apartments, along with the heated air, the vitiated air resulting from the products of combustion; andthe improvements consist in the arrangement of ilues, combined withv'other parts, and the employment of quick-lime or other chemical, by means of which the heated air and products of combustion are purified previous to being emitted into the apartment to be heated by said stove. Y

A is the base of the stove, mounted on feet .a a. The side and bottom of the base A are provided with j holes d d d, for admitting air. G is the gas-pipe. T is the burner, of anykind which will produce a perfect combustion, and project the ame upward. B is a partition-plate, having only'one hole, just above the burner T. C is the rc-ilue or combustion-tube. D .is the combustion-chamber,v having a door, E, and open-work left in the casing of the stove, to supply fresh air to therame, and to allow-of the irebeing visible. F is a funnel or conical division in the stove, which will collect all the heated air and products of combustion, and cause them to ascend through the pipe or flue H to the ,top p'art X of the stove. Atfth'e top part of the pipe H is fitted an annular tray, J, the diameter of which is s ,maller than the size of the stove, allowing all around the tray an annular channel or flue, K K. At a small distance immediately belowl the tray J, a second tray, L L, is placed. This tray is also annular, but of larger dimensions, fitting vsnugly tothe outside casing of the stove,l and leaving a space or flue, M M, between its inner sides Iand the pipe H. P P l5', &c.,are holes or ornamental openings left in the casing of thestove, to allow the heated air and purified productsof combustion to escape in ,theapartment.A The top R of the stove is closed; vif it has a hole for convenience of boiling water, "&c that hole mustreman closed when it is required that the stove work to perfection. The,trays J and L Aare filled with quick-lime, or any other chemical agent or agents capable of absorbing the impurities of the products of combustion of the gas used. y

From the above description, the operation and advantages of my improved gas-stoverwill be readily understood. Thegas and air injected upwards by the burner T, mixing in the combustion-tube C with an additional amount of heated air, a lively and perfect combustion will take place at the top of the'tube C, ll the chamber D with flame, heat, and heated air. The vertical ue H, provided-with its funnel, F, will conduct all of the above to the part X of the stove, where, nding no other outlet, and getting condensed by the contactwith the top R and outside casing, the air and product of combustion will n'd their way over the tray 'J in a. diverging horizontal direction, downI the channel K, over the tray L in a horizontal lconverging direction to the flue M, L thence down said flue M to the' space V, and exit by the holes P P P, 8vo., into the apartment.

. I have represented in my drawing a one-burner stove; but I make them with tivo, three, or moreburners; and in that case lthe plate'B `has as many holes and as rmany combustion-tubes C as thereare burners, all other things being the sameas in myv drawings and specification. I"

I claim as ymy invention- 1. The combinationl of the burner T and vertical "tube C with thefunnel I, .pipe H, trays J L, openings I1, -arranged substantially as' herein described and for the purpose' set forth. v y

. 2. In parlor or heating gas-stoves, the use of quick-lime" or other suitable chemicals in the trays J and L, s for. the purpose set forth.

. A. L. BOGART. [1.. 5.]

Witnesses:

Gaoaea SIMoNs, H. GENGEMBRE HUBERT. 

